Jul  7 15:56:22 big8 kernel: md: data-check of RAID array md0
Jul  7 15:56:22 big8 kernel: md: minimum _guaranteed_  speed: 1000 KB/sec/disk.
Jul  7 15:56:22 big8 kernel: md: using maximum available idle IO bandwidth (but not more than 80000 KB/sec) for data-check.
Jul  7 15:56:22 big8 kernel: md: using 128k window, over a total of 976759808 blocks.
Jul  7 15:56:26 big8 kernel: md: data-check of RAID array md1
Jul  7 15:56:26 big8 kernel: md: minimum _guaranteed_  speed: 1000 KB/sec/disk.
Jul  7 15:56:26 big8 kernel: md: using maximum available idle IO bandwidth (but not more than 80000 KB/sec) for data-check.
Jul  7 15:56:26 big8 kernel: md: using 128k window, over a total of 976759808 blocks.
Jul  7 16:00:53 big8 kernel: ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
Jul  7 16:00:53 big8 kernel: ata3.00: cmd ea/00:00:00:00:00/00:00:00:00:00/a0 tag 0
Jul  7 16:00:53 big8 kernel:          res 40/00:00:00:00:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
Jul  7 16:00:53 big8 kernel: ata3.00: status: { DRDY }
Jul  7 16:00:53 big8 kernel: ata3: hard resetting link
Jul  7 16:01:00 big8 kernel: ata3: port is slow to respond, please be patient (Status 0x80)
Jul  7 16:01:03 big8 kernel: ata3: softreset failed (device not ready)
Jul  7 16:01:03 big8 kernel: ata3: hard resetting link
Jul  7 16:01:10 big8 kernel: ata3: port is slow to respond, please be patient (Status 0x80)
Jul  7 16:01:13 big8 kernel: ata3: softreset failed (device not ready)
Jul  7 16:01:13 big8 kernel: ata3: hard resetting link
Jul  7 16:01:20 big8 kernel: ata3: port is slow to respond, please be patient (Status 0x80)
Jul  7 16:01:48 big8 kernel: ata3: softreset failed (device not ready)
Jul  7 16:01:48 big8 kernel: ata3: limiting SATA link speed to 1.5 Gbps
Jul  7 16:01:48 big8 kernel: ata3: hard resetting link
Jul  7 16:01:53 big8 kernel: ata3: softreset failed (device not ready)
Jul  7 16:01:53 big8 kernel: ata3: reset failed, giving up
Jul  7 16:01:53 big8 kernel: ata3.00: disabled
Jul  7 16:01:53 big8 kernel: ata3: EH complete
Jul  7 16:01:53 big8 kernel: sd 2:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
Jul  7 16:01:53 big8 kernel: end_request: I/O error, dev sdc, sector 29123647
Jul  7 16:01:53 big8 kernel: sd 2:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
Jul  7 16:01:53 big8 kernel: end_request: I/O error, dev sdc, sector 29124927
Jul  7 16:01:53 big8 kernel: sd 2:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
Jul  7 16:01:53 big8 kernel: end_request: I/O error, dev sdc, sector 29123903
Jul  7 16:01:53 big8 kernel: sd 2:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
Jul  7 16:01:53 big8 kernel: end_request: I/O error, dev sdc, sector 1182894207
Jul  7 16:01:53 big8 kernel: sd 2:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
Jul  7 16:01:53 big8 kernel: end_request: I/O error, dev sdc, sector 1139671639
Jul  7 16:01:53 big8 kernel: sd 2:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
Jul  7 16:01:53 big8 kernel: end_request: I/O error, dev sdc, sector 1557222687
Jul  7 16:01:53 big8 kernel: sd 2:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
Jul  7 16:01:53 big8 kernel: end_request: I/O error, dev sdc, sector 29123647
Jul  7 16:01:53 big8 kernel: raid5: Disk failure on sdc1, disabling device. Operation continuing on 2 devices
Jul  7 16:01:53 big8 kernel: sd 2:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
Jul  7 16:01:53 big8 kernel: end_request: I/O error, dev sdc, sector 29124671
Jul  7 16:01:53 big8 kernel: md: md0: data-check done.
Jul  7 16:01:53 big8 kernel: RAID5 conf printout:
Jul  7 16:01:53 big8 kernel:  --- rd:3 wd:2
Jul  7 16:01:53 big8 kernel:  disk 0, o:1, dev:sda1
Jul  7 16:01:53 big8 kernel:  disk 1, o:1, dev:sdb1
Jul  7 16:01:53 big8 kernel:  disk 2, o:0, dev:sdc1
Jul  7 16:01:53 big8 kernel: RAID5 conf printout:
Jul  7 16:01:53 big8 kernel:  --- rd:3 wd:2
Jul  7 16:01:53 big8 kernel:  disk 0, o:1, dev:sda1
Jul  7 16:01:53 big8 kernel:  disk 1, o:1, dev:sdb1
Jul  7 16:02:45 big8 kernel: program smartctl is using a deprecated SCSI ioctl, please convert it to SG_IO